Coffee kettle



FIG. 1 is a front and top perspective view of a coffee kettle, showing my design.

FIG. 2 is a rear and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings depict environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a coffee kettle, as shown and described. 